The Ukrainian Social Democratic Labour Party, also commonly known as Esdeky, was a social-democratic political party active in the Russian Empire and later in the Ukrainian People's Republic. The party was formed in 1905 by members of the Revolutionary Ukrainian Party and followed the formula of Marxism introduced by the Erfurt Program of the Social Democratic Party of Germany. It also supported the ideas of national and cultural autonomy. The party was led by Volodymyr Vynnychenko, Symon Petliura, Mykola Porsh, Dmytro Antonovych, Lev Yurkevych, Mykhailo Tkachenko, and Mykola Kovalsky.
- Country
- Ukrainian People's Republic, Russian Empire
- Headquarters
- Kharkiv
- Inception
- 1905
